ATBECHDEDKESFRGBGRITLILUNLSEMCPTIE......FI....CY..TR............................JDIM350 (Ver 2.1 Jan 2001) 1990130/0 1990980/0 1620000/01431962EUROPEAN PATENT APPLICATIONA320041201EP04100553.920010522EnEnEn206156 P20000522US20041201200449200406232004267 7G 10L 21/02 A 7G 10L 19/02 BdeVorrichtung und Verfahren zur Breitbandcodierung von SprachsignalenenWideband speech coding system and methodfrDispositif et procédé de codage de parole à large bande1A01000172.5115849520010522TEXAS INSTRUMENTS INCORPORATED00279074TI-29772.1 EPP.O. Box 655474, 13500 Central ExpresswayDallas, TX 75265USMcCree, Alan V7239 Hillwood Lane75248, DallasUSHolt, Michaelet al00050425Texas Instruments Ltd., PO Box 5069Northampton, Northamptonshire NN4 7ZEGBATBECHCYDEDKESFIFRGBGRIEITLILUMCNLPTSETR20041201200449

A speech encoder/decoder for wideband speech with a partitioning of wideband into lowband and highband, and convenient coding of the lowband. The narrowband coding may be an LP-based voiceband coder; and the high band coding may include spectral reversal so it can effectively use the voiceband coder's quantizer. The embedded lowband may be extracted for a lower bit rate decoder.